18‐1: Far Field Imaging Through Liquid Crystal Displays for Biometrics

18‐1: Far Field Imaging Through Liquid Crystal Displays for Biometrics

A camera is placed behind a standard liquid crystal display with a backlight that is designed to retain a near‐infra‐red image, while simultaneously delivering diffuse illumination in the visible spectrum. The camera image can be used for system log‐on or continuous authentication, without occupying...

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Veröffentlicht in:SID International Symposium Digest of technical papers 2021-05, Vol.52 (1), p.210-213
Hauptverfasser: Large, Timothy, Emerton, Neil, Lim, Sehoon, Nuesmeyer, Chris
Format: Artikel
Sprache:eng
Schlagworte:
authentication
Backlights
Biometrics
Cameras
Imaging through display
Liquid crystal displays
Visible spectrum
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container_title SID International Symposium Digest of technical papers
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creator Large, Timothy
Emerton, Neil
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description A camera is placed behind a standard liquid crystal display with a backlight that is designed to retain a near‐infra‐red image, while simultaneously delivering diffuse illumination in the visible spectrum. The camera image can be used for system log‐on or continuous authentication, without occupying valuable bezel space.
doi_str_mv 10.1002/sdtp.14649
format Article
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source Wiley Online Library - AutoHoldings Journals
subjects authentication
Backlights
Biometrics
Cameras
Imaging through display
Liquid crystal displays
Visible spectrum
title 18‐1: Far Field Imaging Through Liquid Crystal Displays for Biometrics
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